METHOD OF TREATING OR PREVENTING OSTEOPOROSIS COMPRISING ADMINISTERING TO A PATIENT IN NEED THEREOF AN EFFECTIVE AMOUNT OF PHARMACEUTICAL COMPOSITION COMPRISING BENZAMIDINE DERIVATIVES OR THEIR SALTS, AND ALENDRONIC ACID OR ITS SALT

摘要

The present invention relates to a pharmaceutical composition for preventing and treating osteoporosis, comprising N-hydroxy-4-{5-[4-(5-isopropyl-2-methyl-1,3-thiazol-4-yl)phenoxy]pentoxy}benzamidine, 4-{5-[4-(5-isopropyl-2-methyl-1,3-thiazol-4-yl)phenoxy]pentoxy}benzamidine, or salts thereof, and alendronic acid or a salt thereof. As a prophylactic or therapeutic composition for osteoporosis, the combination treatment of N-hydroxy-4-{5-[4-(5-isopropyl-2-methyl-1,3-thiazol-4-yl)phenoxy]pentoxy}benzamidine, 4-{5-[4-(5-isopropyl-2-methyl-1,3-thiazol-4-yl)phenoxy]pentoxy}-benzamidine, or salts thereof and alendronic acid or a salt thereof exhibits excellent inhibitory effect on osteoclast differentiation, as compared to each individual treatment, thereby being useful for the prevention or treatment of osteoporosis.